In all 21 rounds of bidding were concluded by end of day-3 with bids pouring in for all the 22 circles or regional zones.
"Bids of around Rs 50,000 crore received at the end of 21 rounds on third day of spectrum auction," Telecom Secretary MF Farooqui said.
Eight companies including Mukesh Ambani's Reliance Jio Infocomm Ltd, Bharti Airtel and Vodafone are competing for two bandwidth slots - 900 MegaHertz and 1,800 MHz in 22 circles - offered in the third spectrum auction within 15 months.
"Besides 900 Mhz band, now demand for 1800 Mhz in many circles also picked up today. We will continue with auction tomorrow," he said.
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The auction, which began on Monday, has surpassed November 2012 and March 2013 auction both in terms of revenue and duration.
After 21 rounds, the government has received bids worth Rs 20,000 crore for 900 MHz band and Rs 30,000 crore for 1800 MHz band.